METHOD FOR EXTENDING THE USEABLE LIFE OF A POLYAMIDE PIPE LINER DURING USE IN A WATER-OIL-GAS ENVIRONMENT - Patent 1355779

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EP 1 355 779 A1

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(43)	Date of publication:
	29.10.2003 Bulletin 2003/44

(21)	Application number: 01997207.4

(22)	Date of filing: 23.11.2001

(51)	International Patent Classification (IPC)⁷: B32B 1/00

(86)	International application number:
	PCT/US0143/837

(87)	International publication number:
	WO 0204/2063 (30.05.2002 Gazette 2002/22)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

24.11.2000 US 252583 P

(71)	Applicant: Kranbuehl, David E.
	WilliamsburgVirginia 23185 (US)

(72)	Inventor:
	Kranbuehl, David E. WilliamsburgVirginia 23185 (US)

(74)	Representative: Lins, Edgar, Dipl.-Phys. Dr.jur. et al
	Gramm, Lins & Partner GbR,Theodor-Heuss-Strasse 1 38122 Braunschweig 38122 Braunschweig (DE)

(54)	METHOD FOR EXTENDING THE USEABLE LIFE OF A POLYAMIDE PIPE LINER DURING USE IN A WATER-OIL-GAS ENVIRONMENT